18890208

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:736

約数の個数: 72

約数和(自身を含む): 54309528

約数和(自身を除く): 35419320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 428, 613, 642, 856, 963, 1226, 1284, 1712, 1839, 1926, 2452, 2568, 3424, 3678, 3852, 4904, 5136, 5517, 7356, 7704, 9808, 10272, 11034, 14712, 15408, 19616, 22068, 29424, 30816, 44136, 58848, 65591, 88272, 131182, 176544, 196773, 262364, 393546, 524728, 590319, 787092, 1049456, 1180638, 1574184, 2098912, 2361276, 3148368, 4722552, 6296736, 9445104, 18890208]

約数ペア:

[(1, 18890208), (2, 9445104), (3, 6296736), (4, 4722552), (6, 3148368), (8, 2361276), (9, 2098912), (12, 1574184), (16, 1180638), (18, 1049456), (24, 787092), (32, 590319), (36, 524728), (48, 393546), (72, 262364), (96, 196773), (107, 176544), (144, 131182), (214, 88272), (288, 65591), (321, 58848), (428, 44136), (613, 30816), (642, 29424), (856, 22068), (963, 19616), (1226, 15408), (1284, 14712), (1712, 11034), (1839, 10272), (1926, 9808), (2452, 7704), (2568, 7356), (3424, 5517), (3678, 5136), (3852, 4904)]